TY  - RPRT
TI  - Quality assurance for grey-scale imaging.
AU  - E L Madsen
PY  - 2000
DO  - 10.1016/s0301-5629(00)00163-0
UR  - https://pubmed.ncbi.nlm.nih.gov/10794874/
ID  - 10794874
ER  -